He is my best friend ??

Hi my name is Earl and i am very innocent girl!

I have a very small but happy family . we live together happily , today I am very excited . My second family i mean my best friend family .

I have a best friend or can say my second family . His name is taehyung we know each other for 7 years . Today his big brother Kim hoon wedding . we all got ready for wedding .

( time skip to the wedding )

I am looking for taehyung but couldn't find him where he ??? when I was waiting for him

I saw him with a girl , i don't know why but i don't feel good about this who is she ???

After the wedding he came up with the girl but he holding her hands ! why he holding her hands like that ?? and finally he speak up

tae : hi everyone .... hi fatty , i told you I am gonna give you a surprise there it's ! so everyone meet my love of life my girlfriend sana we are in a relationship for 1 years now

and I am sorry fatty i didn't told you about this

Earl :( In her mind ) i really don't know what to say now why I am feeling so much pain in my heart ??

tae : fatty say something

Earl : ohh sorry .... I am very happy for you guys ... i will be back i really need to go to the washroom

( in the washroom )

why I am crying so much , why it's feel so bad ?? taehyung is my best friend right so i should be happy for him but why i can't be happy ?? God please help me

taehyung my best right ????